线性调频模糊函数代码(共3页).doc

精选优质文档-倾情为你奉上clear allclcclftaup=1;b=10;up_down=-1;x=lfm_ambg(taup,b,up_down);taux=-1.1*taup:0.01:1.1*taup;fdy=-b:0.01:b;figure(1)mesh(100*taux,fdy./10,x)xlabel(Delay-mus)ylable(Doppler-MHz)zlable(|chi (tau,fd)|)title(模糊函数)figure(2)contour(100.*taux,fdy./10,x)xlabel(Delay-mus)ylable(Doppler-MHz)title(模糊函数等高线)grid on N_fd_0=(length(fdy)+1)/2;x_tau=x(N_fd_0,:);function x = lfm_ambg taup, b, up_downeps = 0.; i = 0;